Alert archive / Iowa / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 69, NWS Des Moines, IA

July 8, 1995Adair County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jul 8, 1995, 1:48 AM CDT for Adair County, Iowa. It was in force for 22 min.

The area

The counties it named.

The facts

Issued
Jul 8, 1995, 1:48 AM CDT (06:48 UTC)
Expired
Jul 8, 1995, 2:10 AM CDT
In force
22 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Adair County, IA

The radar

The Des Moines radar (KDMX), 77 km from the middle of the area, began a volume at 06:50 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 6.8 hours before the alert went out and 159 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 1995-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 785 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 1995-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
785 J/kg
Mixed-layer CIN
-272 J/kg
Mixed-layer LCL
1648 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
295 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDSM 080648 RRA
SVRDSM
IAC001-080710-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
148 AM CDT SAT JUL 8 1995

* SEVERE THUNDERSTORM WARNING FOR
  SOUTHERN ADAIR COUNTY - SOUTHWEST IOWA

* UNTIL 210 AM CDT
 
* SOME TOWNS AFFECTED
    FONTANELLE
    ORIENT
    BRIDGEWATER

* AT 146 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM NEAR FONTAINELLE
  55 MILES SOUTHWEST OF DES MOINES MOVING SOUTHEAST AT 25.

* THE STORM WILL CROSS ROUTE G61 BY 200 AM CDT.

  DO NOT GO OUTDOORS. ONE INCH DIAMETER HAIL IS LIKELY.

PYTLAK

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jul 7, 10:57 PM CDT, 2 hours 51 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1057 PM CDT FRI JUL 7 1995

TIME (CDT)  ...CITY LOCATION...        ST     ...EVENT/REMARKS...
DATE (CDT)  ...COUNTY LOCATION...

2134 CDT    1 W OF BENTON              IA     1 INCH HAIL
07/07/95    RINGGOLD COUNTY

2140 CDT    DELPHOS                    IA     0.50 INCH HAIL
07/04/95    RINGGOLD COUNTY

2140 CDT    2 SW OF BENTON             IA     0.75 INCH HAIL
07/07/95    RINGGOLD COUNTY

2204 CDT    1 W OF BENTON              IA     1 INCH HAIL
07/07/95    RINGGOLD COUNTY

BAILEY
/

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 7, 9:36 PM CDTSevere Thunderstorm WarningDMXRinggold29 min
Jul 7, 10:05 PM CDTSevere Thunderstorm WarningDMXRinggold10 min
Jul 8, 12:49 AM CDTSevere Thunderstorm WarningDMXAdair, Cass21 min
Jul 8, 2:09 AM CDTSevere Thunderstorm WarningDMXAdair31 min

Nearby

Severe Thunderstorm Warnings in Iowa, 1995Every severe thunderstorm warning in 1995

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.